MSGID: 1:317/3 628bcbd5   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    EPOD - a service of USRA   
      
   The Earth Science Picture of the Day (EPOD) highlights the diverse processes   
   and phenomena which shape our planet and our lives. EPOD will collect and   
   archive photos, imagery, graphics, and artwork with short explanatory   
   captions and links exemplifying features within the Earth system. The   
   community is invited to contribute digital imagery, short captions and   
   relevant links.   
      
      
    Supernumerary Rainbow Over Modica, Italy   
      
      May 23, 2022   
      
       Arcobaleno_verticale_collage_epod   
      
      Photographer:  Salvatore Cerruto   
      
      Summary Authors:  Salvatore Cerruto;  Cadan Cummings   
      
      During the afternoon of February 15, 2022, I was lucky enough to see a   
       supernumerary rainbow in the sky over  Modica, Sicily, Italy.   
      These unique rainbow arcs are visible below the  primary rainbow and   
      are produced when incoming sunlight is  diffracted through very   
      small raindrops. Resulting from the diffraction process are regions of   
       light wave interference where the colorful band are from   
      constructive interference and the colorless gaps are from destructive   
      interference.   
      
      Supernumerary rainbows can be identified by several colored fringes-   
      ranging from indigo to green- visible below the rainbow that also   
      appear like the rainbow is repeating itself. To show the optical   
      phenomenon in greater detail, I enlarged the part that had the   
      supernumerary arcs and  saturated it a little to highlight the   
      features and colors. This specific composite image is a panorama   
      composed of eight vertical shots taken using a Nikon DSLR camera with a   
      35mm lens.   
        * Modica, Sicily, Italy Coordinates: 36.8588, 14.7608   
      
   Related EPODs   
      
       Supernumerary Rainbow Over Modica, Italy  Haleakala Shadow and   
      Belt of Venus  Four Types of Rainbows Over Taiwan  Solar Halo and   
      Sundog over Camelot  Colorful Lights and Calm Night in Sweden   
       Brocken Spectre Observed with Drone   
       More...   
      
   Atmospheric Effects Links   
      
        *  Atmospheric Optics   
        *  Optic Picture of Day: Gruppo Astrofili Galileo Galilei   
        *  Color and Light in Nature   
        *  The Colors of Twillight and Sunset   
        *  Refraction Index   
        *  Image Gallery: Atmospheric Effects   
        *  What is a Rainbow?   
      
   -   
      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
   https://epod.usra.edu   
       
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